Learn how to redeem a gift card, code, or Office product key and spend your balance at Microsoft Store online, on Windows, or Xbox.

Cast to a display from a Windows PC. You can wirelessly connect your PC to a TV, projector, or other kind of external display that supports Miracast. Turn on your TV, projector, or other display. If you're using a Miracast dongle or adapter, make sure it's plugged in to the display.

Open a service request in the Microsoft 365 admin center. This service is free. Get help and support, whether you're shopping now or need help with a past purchase. Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

兌換禮品卡與代碼，以購買 Xbox 並擴充您的 Xbox 訂閱。. 代碼的長度為 25 個字元 (包含數字和英文字母)，並採用 5x5 格式，即以五個字元為一組，共五組。. 代碼可以是您向 Microsoft 或信任的零售商購買的數位或實體卡片。. 如果您的帳戶有未付餘額，或是付款 ...

Check here for the known game issues that we're currently tracking and find out what you can do about them. You see the following error code and message when you try to install a game or an app on a Windows 10 device: 0x803F81F5. To install your app or game, remove a device from your account.

Check the Xbox services, games, and apps for any service outages.

Microsoft support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows, Surface, and more.

屏幕镜像和投影到电脑或无线显示器. Windows 11 Windows 10. 如果你正在使用 Windows 电脑，并且想要在电脑设备上显示来自其他屏幕的应用程序和内容，则需考虑将设备屏幕镜像或投影到电脑。. 请注意，需要支持 Miracast 的设备。. 下面介绍如何将另一个屏幕或项目 ...

Contact Microsoft Support. What's new. Surface Pro. Surface Laptop. Surface Laptop Studio 2. Surface Laptop Go 3. Microsoft Copilot. AI in Windows. Explore Microsoft products.

Microsoft 倉頡 IME 與速成 IME 已於 Windows 10 2020 年 10 月 更新 (版本 2004) 進行更新，並且還適用於 Windows 11。. IME 支援. 本頁可協助您使用 Microsoft 繁體中文輸入法，包括輸入法功能和鍵盤快速鍵。.